Introduction To The Spp-100 - Digitimer SPP-100 Operator's Manual

Digitimer Limited SPP-100 Operator's Manual Issue 1

Introduction to the SPP-100

Based on the amplifier circuitry and specifications of existing NeuroLog system modules
(NL100AK, NL104A and NL125/6), the SPP-100 Amplifier/Filter is intended to facilitate AC-
coupled, differential electrophysiological recordings from animal or in vitro preparations
and incorporates a gain of up to x20k with high-cut, low-cut and 50/60Hz notch filters.
Because the SPP-100 is a standalone instrument and uses an external AC/DC power supply,
it provides a cost-effective alternative to the modular NeuroLog system and will be equally
at home within research or teaching laboratories.
The SPP-100 is suitable for extracellular single electrode recordings with high impedance
metal or glass microelectrodes, but is also appropriate for differential recordings from pairs
of gross electrodes, such as nerve hooks.
The SPP-100 is the first device developed using Digitimer's Small Product Platform (SPP)
concept. It and future SPP products will share modular hardware design principles enabling
a common power supply, display and control interface to be rapidly reconfigured to create
instruments including amplifiers, stimulators and trigger sources, through use of product-
specific application circuit boards.
The SPP-100 amplifier system consists of a main amplifier, remote preamplifier headstage,
external DC power supply and accessory kit.
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